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ioef/code/botlib/be_ai_goal.c

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/*
===========================================================================
Copyright (C) 1999-2005 Id Software, Inc.
This file is part of Quake III Arena source code.
Quake III Arena source code is free software; you can redistribute it
and/or modify it under the terms of the GNU General Public License as
published by the Free Software Foundation; either version 2 of the License,
or (at your option) any later version.
Quake III Arena source code is distributed in the hope that it will be
useful, but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with Quake III Arena source code; if not, write to the Free Software
Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
===========================================================================
*/
/*****************************************************************************
* name: be_ai_goal.c
*
* desc: goal AI
*
* $Archive: /MissionPack/code/botlib/be_ai_goal.c $
*
*****************************************************************************/
#include "../qcommon/q_shared.h"
#include "l_utils.h"
#include "l_libvar.h"
#include "l_memory.h"
#include "l_log.h"
#include "l_script.h"
#include "l_precomp.h"
#include "l_struct.h"
#include "aasfile.h"
#include "botlib.h"
#include "be_aas.h"
#include "be_aas_funcs.h"
#include "be_interface.h"
#include "be_ai_weight.h"
#include "be_ai_goal.h"
#include "be_ai_move.h"
//#define DEBUG_AI_GOAL
#ifdef RANDOMIZE
#define UNDECIDEDFUZZY
#endif //RANDOMIZE
#define DROPPEDWEIGHT
//minimum avoid goal time
#define AVOID_MINIMUM_TIME 10
//default avoid goal time
#define AVOID_DEFAULT_TIME 30
//avoid dropped goal time
#define AVOID_DROPPED_TIME 10
//
#define TRAVELTIME_SCALE 0.01
//item flags
#define IFL_NOTFREE 1 //not in free for all
#define IFL_NOTTEAM 2 //not in team play
#define IFL_NOTSINGLE 4 //not in single player
#define IFL_NOTBOT 8 //bot should never go for this
#define IFL_ROAM 16 //bot roam goal
//location in the map "target_location"
typedef struct maplocation_s
{
vec3_t origin;
int areanum;
char name[MAX_EPAIRKEY];
struct maplocation_s *next;
} maplocation_t;
//camp spots "info_camp"
typedef struct campspot_s
{
vec3_t origin;
int areanum;
char name[MAX_EPAIRKEY];
float range;
float weight;
float wait;
float random;
struct campspot_s *next;
} campspot_t;
//FIXME: these are game specific
typedef enum {
GT_FFA, // free for all
GT_TOURNAMENT, // one on one tournament
GT_SINGLE_PLAYER, // single player tournament
//-- team games go after this --
GT_TEAM, // team deathmatch
GT_CTF, // capture the flag
#ifdef MISSIONPACK
GT_1FCTF,
GT_OBELISK,
GT_HARVESTER,
#endif
GT_MAX_GAME_TYPE
} gametype_t;
typedef struct levelitem_s
{
int number; //number of the level item
int iteminfo; //index into the item info
int flags; //item flags
float weight; //fixed roam weight
vec3_t origin; //origin of the item
int goalareanum; //area the item is in
vec3_t goalorigin; //goal origin within the area
int entitynum; //entity number
float timeout; //item is removed after this time
struct levelitem_s *prev, *next;
} levelitem_t;
typedef struct iteminfo_s
{
char classname[32]; //classname of the item
char name[MAX_STRINGFIELD]; //name of the item
char model[MAX_STRINGFIELD]; //model of the item
int modelindex; //model index
int type; //item type
int index; //index in the inventory
float respawntime; //respawn time
vec3_t mins; //mins of the item
vec3_t maxs; //maxs of the item
int number; //number of the item info
} iteminfo_t;
#define ITEMINFO_OFS(x) (size_t)&(((iteminfo_t *)0)->x)
fielddef_t iteminfo_fields[] =
{
{"name", ITEMINFO_OFS(name), FT_STRING},
{"model", ITEMINFO_OFS(model), FT_STRING},
{"modelindex", ITEMINFO_OFS(modelindex), FT_INT},
{"type", ITEMINFO_OFS(type), FT_INT},
{"index", ITEMINFO_OFS(index), FT_INT},
{"respawntime", ITEMINFO_OFS(respawntime), FT_FLOAT},
{"mins", ITEMINFO_OFS(mins), FT_FLOAT|FT_ARRAY, 3},
{"maxs", ITEMINFO_OFS(maxs), FT_FLOAT|FT_ARRAY, 3},
{NULL, 0, 0}
};
structdef_t iteminfo_struct =
{
sizeof(iteminfo_t), iteminfo_fields
};
typedef struct itemconfig_s
{
int numiteminfo;
iteminfo_t *iteminfo;
} itemconfig_t;
//goal state
typedef struct bot_goalstate_s
{
struct weightconfig_s *itemweightconfig; //weight config
int *itemweightindex; //index from item to weight
//
int client; //client using this goal state
int lastreachabilityarea; //last area with reachabilities the bot was in
//
bot_goal_t goalstack[MAX_GOALSTACK]; //goal stack
int goalstacktop; //the top of the goal stack
//
int avoidgoals[MAX_AVOIDGOALS]; //goals to avoid
float avoidgoaltimes[MAX_AVOIDGOALS]; //times to avoid the goals
} bot_goalstate_t;
bot_goalstate_t *botgoalstates[MAX_CLIENTS + 1]; // FIXME: init?
//item configuration
itemconfig_t *itemconfig = NULL;
//level items
levelitem_t *levelitemheap = NULL;
levelitem_t *freelevelitems = NULL;
levelitem_t *levelitems = NULL;
int numlevelitems = 0;
//map locations
maplocation_t *maplocations = NULL;
//camp spots
campspot_t *campspots = NULL;
//the game type
int g_gametype = 0;
//additional dropped item weight
libvar_t *droppedweight = NULL;
//========================================================================
//
// Parameter: -
// Returns: -
// Changes Globals: -
//========================================================================
bot_goalstate_t *BotGoalStateFromHandle(int handle)
{
if (handle <= 0 || handle > MAX_CLIENTS)
{
botimport.Print(PRT_FATAL, "goal state handle %d out of range\n", handle);
return NULL;
} //end if
if (!botgoalstates[handle])
{
botimport.Print(PRT_FATAL, "invalid goal state %d\n", handle);
return NULL;
} //end if
return botgoalstates[handle];
} //end of the function BotGoalStateFromHandle
//===========================================================================
//
// Parameter: -
// Returns: -
// Changes Globals: -
//===========================================================================
void BotInterbreedGoalFuzzyLogic(int parent1, int parent2, int child)
{
bot_goalstate_t *p1, *p2, *c;
p1 = BotGoalStateFromHandle(parent1);
p2 = BotGoalStateFromHandle(parent2);
c = BotGoalStateFromHandle(child);
InterbreedWeightConfigs(p1->itemweightconfig, p2->itemweightconfig,
c->itemweightconfig);
} //end of the function BotInterbreedingGoalFuzzyLogic
//===========================================================================
//
// Parameter: -
// Returns: -
// Changes Globals: -
//===========================================================================
void BotSaveGoalFuzzyLogic(int goalstate, char *filename)
{
//bot_goalstate_t *gs;
//gs = BotGoalStateFromHandle(goalstate);
//WriteWeightConfig(filename, gs->itemweightconfig);
} //end of the function BotSaveGoalFuzzyLogic
//===========================================================================
//
// Parameter: -
// Returns: -
// Changes Globals: -
//===========================================================================
void BotMutateGoalFuzzyLogic(int goalstate, float range)
{
bot_goalstate_t *gs;
gs = BotGoalStateFromHandle(goalstate);
EvolveWeightConfig(gs->itemweightconfig);
} //end of the function BotMutateGoalFuzzyLogic
//===========================================================================
//
// Parameter: -
// Returns: -
// Changes Globals: -
//===========================================================================
itemconfig_t *LoadItemConfig(char *filename)
{
int max_iteminfo;
token_t token;
char path[MAX_PATH];
source_t *source;
itemconfig_t *ic;
iteminfo_t *ii;
max_iteminfo = (int) LibVarValue("max_iteminfo", "256");
if (max_iteminfo < 0)
{
botimport.Print(PRT_ERROR, "max_iteminfo = %d\n", max_iteminfo);
max_iteminfo = 256;
LibVarSet( "max_iteminfo", "256" );
}
strncpy( path, filename, MAX_PATH );
PC_SetBaseFolder(BOTFILESBASEFOLDER);
source = LoadSourceFile( path );
if( !source ) {
botimport.Print( PRT_ERROR, "counldn't load %s\n", path );
return NULL;
} //end if
//initialize item config
ic = (itemconfig_t *) GetClearedHunkMemory(sizeof(itemconfig_t) +
max_iteminfo * sizeof(iteminfo_t));
ic->iteminfo = (iteminfo_t *) ((char *) ic + sizeof(itemconfig_t));
ic->numiteminfo = 0;
//parse the item config file
while(PC_ReadToken(source, &token))
{
if (!strcmp(token.string, "iteminfo"))
{
if (ic->numiteminfo >= max_iteminfo)
{
SourceError(source, "more than %d item info defined\n", max_iteminfo);
FreeMemory(ic);
FreeSource(source);
return NULL;
} //end if
ii = &ic->iteminfo[ic->numiteminfo];
Com_Memset(ii, 0, sizeof(iteminfo_t));
if (!PC_ExpectTokenType(source, TT_STRING, 0, &token))
{
FreeMemory(ic);
FreeMemory(source);
return NULL;
} //end if
StripDoubleQuotes(token.string);
strncpy(ii->classname, token.string, sizeof(ii->classname)-1);
if (!ReadStructure(source, &iteminfo_struct, (char *) ii))
{
FreeMemory(ic);
FreeSource(source);
return NULL;
} //end if
ii->number = ic->numiteminfo;
ic->numiteminfo++;
} //end if
else
{
SourceError(source, "unknown definition %s\n", token.string);
FreeMemory(ic);
FreeSource(source);
return NULL;
} //end else
} //end while
FreeSource(source);
//
if (!ic->numiteminfo) botimport.Print(PRT_WARNING, "no item info loaded\n");
botimport.Print(PRT_MESSAGE, "loaded %s\n", path);
return ic;
} //end of the function LoadItemConfig
//===========================================================================
// index to find the weight function of an iteminfo
//
// Parameter: -
// Returns: -
// Changes Globals: -
//===========================================================================
int *ItemWeightIndex(weightconfig_t *iwc, itemconfig_t *ic)
{
int *index, i;
//initialize item weight index
index = (int *) GetClearedMemory(sizeof(int) * ic->numiteminfo);
for (i = 0; i < ic->numiteminfo; i++)
{
index[i] = FindFuzzyWeight(iwc, ic->iteminfo[i].classname);
if (index[i] < 0)
{
Log_Write("item info %d \"%s\" has no fuzzy weight\r\n", i, ic->iteminfo[i].classname);
} //end if
} //end for
return index;
} //end of the function ItemWeightIndex
//===========================================================================
//
// Parameter: -
// Returns: -
// Changes Globals: -
//===========================================================================
void InitLevelItemHeap(void)
{
int i, max_levelitems;
if (levelitemheap) FreeMemory(levelitemheap);
max_levelitems = (int) LibVarValue("max_levelitems", "256");
levelitemheap = (levelitem_t *) GetClearedMemory(max_levelitems * sizeof(levelitem_t));
for (i = 0; i < max_levelitems-1; i++)
{
levelitemheap[i].next = &levelitemheap[i + 1];
} //end for
levelitemheap[max_levelitems-1].next = NULL;
//
freelevelitems = levelitemheap;
} //end of the function InitLevelItemHeap
//===========================================================================
//
// Parameter: -
// Returns: -
// Changes Globals: -
//===========================================================================
levelitem_t *AllocLevelItem(void)
{
levelitem_t *li;
li = freelevelitems;
if (!li)
{
botimport.Print(PRT_FATAL, "out of level items\n");
return NULL;
} //end if
//
freelevelitems = freelevelitems->next;
Com_Memset(li, 0, sizeof(levelitem_t));
return li;
} //end of the function AllocLevelItem
//===========================================================================
//
// Parameter: -
// Returns: -
// Changes Globals: -
//===========================================================================
void FreeLevelItem(levelitem_t *li)
{
li->next = freelevelitems;
freelevelitems = li;
} //end of the function FreeLevelItem
//===========================================================================
//
// Parameter: -
// Returns: -
// Changes Globals: -
//===========================================================================
void AddLevelItemToList(levelitem_t *li)
{
if (levelitems) levelitems->prev = li;
li->prev = NULL;
li->next = levelitems;
levelitems = li;
} //end of the function AddLevelItemToList
//===========================================================================
//
// Parameter: -
// Returns: -
// Changes Globals: -
//===========================================================================
void RemoveLevelItemFromList(levelitem_t *li)
{
if (li->prev) li->prev->next = li->next;
else levelitems = li->next;
if (li->next) li->next->prev = li->prev;
} //end of the function RemoveLevelItemFromList
//===========================================================================
//
// Parameter: -
// Returns: -
// Changes Globals: -
//===========================================================================
void BotFreeInfoEntities(void)
{
maplocation_t *ml, *nextml;
campspot_t *cs, *nextcs;
for (ml = maplocations; ml; ml = nextml)
{
nextml = ml->next;
FreeMemory(ml);
} //end for
maplocations = NULL;
for (cs = campspots; cs; cs = nextcs)
{
nextcs = cs->next;
FreeMemory(cs);
} //end for
campspots = NULL;
} //end of the function BotFreeInfoEntities
//===========================================================================
//
// Parameter: -
// Returns: -
// Changes Globals: -
//===========================================================================
void BotInitInfoEntities(void)
{
char classname[MAX_EPAIRKEY];
maplocation_t *ml;
campspot_t *cs;
int ent, numlocations, numcampspots;
BotFreeInfoEntities();
//
numlocations = 0;
numcampspots = 0;
for (ent = AAS_NextBSPEntity(0); ent; ent = AAS_NextBSPEntity(ent))
{
if (!AAS_ValueForBSPEpairKey(ent, "classname", classname, MAX_EPAIRKEY)) continue;
//map locations
if (!strcmp(classname, "target_location"))
{
ml = (maplocation_t *) GetClearedMemory(sizeof(maplocation_t));
AAS_VectorForBSPEpairKey(ent, "origin", ml->origin);
AAS_ValueForBSPEpairKey(ent, "message", ml->name, sizeof(ml->name));
ml->areanum = AAS_PointAreaNum(ml->origin);
ml->next = maplocations;
maplocations = ml;
numlocations++;
} //end if
//camp spots
else if (!strcmp(classname, "info_camp"))
{
cs = (campspot_t *) GetClearedMemory(sizeof(campspot_t));
AAS_VectorForBSPEpairKey(ent, "origin", cs->origin);
//cs->origin[2] += 16;
AAS_ValueForBSPEpairKey(ent, "message", cs->name, sizeof(cs->name));
AAS_FloatForBSPEpairKey(ent, "range", &cs->range);
AAS_FloatForBSPEpairKey(ent, "weight", &cs->weight);
AAS_FloatForBSPEpairKey(ent, "wait", &cs->wait);
AAS_FloatForBSPEpairKey(ent, "random", &cs->random);
cs->areanum = AAS_PointAreaNum(cs->origin);
if (!cs->areanum)
{
botimport.Print(PRT_MESSAGE, "camp spot at %1.1f %1.1f %1.1f in solid\n", cs->origin[0], cs->origin[1], cs->origin[2]);
FreeMemory(cs);
continue;
} //end if
cs->next = campspots;
campspots = cs;
//AAS_DrawPermanentCross(cs->origin, 4, LINECOLOR_YELLOW);
numcampspots++;
} //end else if
} //end for
if (botDeveloper)
{
botimport.Print(PRT_MESSAGE, "%d map locations\n", numlocations);
botimport.Print(PRT_MESSAGE, "%d camp spots\n", numcampspots);
} //end if
} //end of the function BotInitInfoEntities
//===========================================================================
//
// Parameter: -
// Returns: -
// Changes Globals: -
//===========================================================================
void BotInitLevelItems(void)
{
int i, spawnflags, value;
char classname[MAX_EPAIRKEY];
vec3_t origin, end;
int ent, goalareanum;
itemconfig_t *ic;
levelitem_t *li;
bsp_trace_t trace;
//initialize the map locations and camp spots
BotInitInfoEntities();
//initialize the level item heap
InitLevelItemHeap();
levelitems = NULL;
numlevelitems = 0;
//
ic = itemconfig;
if (!ic) return;
//if there's no AAS file loaded
if (!AAS_Loaded()) return;
//update the modelindexes of the item info
for (i = 0; i < ic->numiteminfo; i++)
{
//ic->iteminfo[i].modelindex = AAS_IndexFromModel(ic->iteminfo[i].model);
if (!ic->iteminfo[i].modelindex)
{
Log_Write("item %s has modelindex 0", ic->iteminfo[i].classname);
} //end if
} //end for
for (ent = AAS_NextBSPEntity(0); ent; ent = AAS_NextBSPEntity(ent))
{
if (!AAS_ValueForBSPEpairKey(ent, "classname", classname, MAX_EPAIRKEY)) continue;
//
spawnflags = 0;
AAS_IntForBSPEpairKey(ent, "spawnflags", &spawnflags);
//
for (i = 0; i < ic->numiteminfo; i++)
{
if (!strcmp(classname, ic->iteminfo[i].classname)) break;
} //end for
if (i >= ic->numiteminfo)
{
Log_Write("entity %s unknown item\r\n", classname);
continue;
} //end if
//get the origin of the item
if (!AAS_VectorForBSPEpairKey(ent, "origin", origin))
{
botimport.Print(PRT_ERROR, "item %s without origin\n", classname);
continue;
} //end else
//
goalareanum = 0;
//if it is a floating item
if (spawnflags & 1)
{
//if the item is not floating in water
if (!(AAS_PointContents(origin) & CONTENTS_WATER))
{
VectorCopy(origin, end);
end[2] -= 32;
trace = AAS_Trace(origin, ic->iteminfo[i].mins, ic->iteminfo[i].maxs, end, -1, CONTENTS_SOLID|CONTENTS_PLAYERCLIP);
//if the item not near the ground
if (trace.fraction >= 1)
{
//if the item is not reachable from a jumppad
goalareanum = AAS_BestReachableFromJumpPadArea(origin, ic->iteminfo[i].mins, ic->iteminfo[i].maxs);
Log_Write("item %s reachable from jumppad area %d\r\n", ic->iteminfo[i].classname, goalareanum);
//botimport.Print(PRT_MESSAGE, "item %s reachable from jumppad area %d\r\n", ic->iteminfo[i].classname, goalareanum);
if (!goalareanum) continue;
} //end if
} //end if
} //end if
li = AllocLevelItem();
if (!li) return;
//
li->number = ++numlevelitems;
li->timeout = 0;
li->entitynum = 0;
//
li->flags = 0;
AAS_IntForBSPEpairKey(ent, "notfree", &value);
if (value) li->flags |= IFL_NOTFREE;
AAS_IntForBSPEpairKey(ent, "notteam", &value);
if (value) li->flags |= IFL_NOTTEAM;
AAS_IntForBSPEpairKey(ent, "notsingle", &value);
if (value) li->flags |= IFL_NOTSINGLE;
AAS_IntForBSPEpairKey(ent, "notbot", &value);
if (value) li->flags |= IFL_NOTBOT;
if (!strcmp(classname, "item_botroam"))
{
li->flags |= IFL_ROAM;
AAS_FloatForBSPEpairKey(ent, "weight", &li->weight);
} //end if
//if not a stationary item
if (!(spawnflags & 1))
{
if (!AAS_DropToFloor(origin, ic->iteminfo[i].mins, ic->iteminfo[i].maxs))
{
botimport.Print(PRT_MESSAGE, "%s in solid at (%1.1f %1.1f %1.1f)\n",
classname, origin[0], origin[1], origin[2]);
} //end if
} //end if
//item info of the level item
li->iteminfo = i;
//origin of the item
VectorCopy(origin, li->origin);
//
if (goalareanum)
{
li->goalareanum = goalareanum;
VectorCopy(origin, li->goalorigin);
} //end if
else
{
//get the item goal area and goal origin
li->goalareanum = AAS_BestReachableArea(origin,
ic->iteminfo[i].mins, ic->iteminfo[i].maxs,
li->goalorigin);
if (!li->goalareanum)
{
botimport.Print(PRT_MESSAGE, "%s not reachable for bots at (%1.1f %1.1f %1.1f)\n",
classname, origin[0], origin[1], origin[2]);
} //end if
} //end else
//
AddLevelItemToList(li);
} //end for
botimport.Print(PRT_MESSAGE, "found %d level items\n", numlevelitems);
} //end of the function BotInitLevelItems
//===========================================================================
//
// Parameter: -
// Returns: -
// Changes Globals: -
//===========================================================================
void BotGoalName(int number, char *name, int size)
{
levelitem_t *li;
if (!itemconfig) return;
//
for (li = levelitems; li; li = li->next)
{
if (li->number == number)
{
strncpy(name, itemconfig->iteminfo[li->iteminfo].name, size-1);
name[size-1] = '\0';
return;
} //end for
} //end for
strcpy(name, "");
return;
} //end of the function BotGoalName
//===========================================================================
//
// Parameter: -
// Returns: -
// Changes Globals: -
//===========================================================================
void BotResetAvoidGoals(int goalstate)
{
bot_goalstate_t *gs;
gs = BotGoalStateFromHandle(goalstate);
if (!gs) return;
Com_Memset(gs->avoidgoals, 0, MAX_AVOIDGOALS * sizeof(int));
Com_Memset(gs->avoidgoaltimes, 0, MAX_AVOIDGOALS * sizeof(float));
} //end of the function BotResetAvoidGoals
//===========================================================================
//
// Parameter: -
// Returns: -
// Changes Globals: -
//===========================================================================
void BotDumpAvoidGoals(int goalstate)
{
int i;
bot_goalstate_t *gs;
char name[32];
gs = BotGoalStateFromHandle(goalstate);
if (!gs) return;
for (i = 0; i < MAX_AVOIDGOALS; i++)
{
if (gs->avoidgoaltimes[i] >= AAS_Time())
{
BotGoalName(gs->avoidgoals[i], name, 32);
Log_Write("avoid goal %s, number %d for %f seconds", name,
gs->avoidgoals[i], gs->avoidgoaltimes[i] - AAS_Time());
} //end if
} //end for
} //end of the function BotDumpAvoidGoals
//===========================================================================
//
// Parameter: -
// Returns: -
// Changes Globals: -
//===========================================================================
void BotAddToAvoidGoals(bot_goalstate_t *gs, int number, float avoidtime)
{
int i;
for (i = 0; i < MAX_AVOIDGOALS; i++)
{
//if the avoid goal is already stored
if (gs->avoidgoals[i] == number)
{
gs->avoidgoals[i] = number;
gs->avoidgoaltimes[i] = AAS_Time() + avoidtime;
return;
} //end if
} //end for
for (i = 0; i < MAX_AVOIDGOALS; i++)
{
//if this avoid goal has expired
if (gs->avoidgoaltimes[i] < AAS_Time())
{
gs->avoidgoals[i] = number;
gs->avoidgoaltimes[i] = AAS_Time() + avoidtime;
return;
} //end if
} //end for
} //end of the function BotAddToAvoidGoals
//===========================================================================
//
// Parameter: -
// Returns: -
// Changes Globals: -
//===========================================================================
void BotRemoveFromAvoidGoals(int goalstate, int number)
{
int i;
bot_goalstate_t *gs;
gs = BotGoalStateFromHandle(goalstate);
if (!gs) return;
//don't use the goals the bot wants to avoid
for (i = 0; i < MAX_AVOIDGOALS; i++)
{
if (gs->avoidgoals[i] == number && gs->avoidgoaltimes[i] >= AAS_Time())
{
gs->avoidgoaltimes[i] = 0;
return;
} //end if
} //end for
} //end of the function BotRemoveFromAvoidGoals
//===========================================================================
//
// Parameter: -
// Returns: -
// Changes Globals: -
//===========================================================================
float BotAvoidGoalTime(int goalstate, int number)
{
int i;
bot_goalstate_t *gs;
gs = BotGoalStateFromHandle(goalstate);
if (!gs) return 0;
//don't use the goals the bot wants to avoid
for (i = 0; i < MAX_AVOIDGOALS; i++)
{
if (gs->avoidgoals[i] == number && gs->avoidgoaltimes[i] >= AAS_Time())
{
return gs->avoidgoaltimes[i] - AAS_Time();
} //end if
} //end for
return 0;
} //end of the function BotAvoidGoalTime
//===========================================================================
//
// Parameter: -
// Returns: -
// Changes Globals: -
//===========================================================================
void BotSetAvoidGoalTime(int goalstate, int number, float avoidtime)
{
bot_goalstate_t *gs;
levelitem_t *li;
gs = BotGoalStateFromHandle(goalstate);
if (!gs)
return;
if (avoidtime < 0)
{
if (!itemconfig)
return;
//
for (li = levelitems; li; li = li->next)
{
if (li->number == number)
{
avoidtime = itemconfig->iteminfo[li->iteminfo].respawntime;
if (!avoidtime)
avoidtime = AVOID_DEFAULT_TIME;
if (avoidtime < AVOID_MINIMUM_TIME)
avoidtime = AVOID_MINIMUM_TIME;
BotAddToAvoidGoals(gs, number, avoidtime);
return;
} //end for
} //end for
return;
} //end if
else
{
BotAddToAvoidGoals(gs, number, avoidtime);
} //end else
} //end of the function BotSetAvoidGoalTime
//===========================================================================
//
// Parameter: -
// Returns: -
// Changes Globals: -
//===========================================================================
int BotGetLevelItemGoal(int index, char *name, bot_goal_t *goal)
{
levelitem_t *li;
if (!itemconfig) return -1;
li = levelitems;
if (index >= 0)
{
for (; li; li = li->next)
{
if (li->number == index)
{
li = li->next;
break;
} //end if
} //end for
} //end for
for (; li; li = li->next)
{
//
if (g_gametype == GT_SINGLE_PLAYER) {
if (li->flags & IFL_NOTSINGLE) continue;
}
else if (g_gametype >= GT_TEAM) {
if (li->flags & IFL_NOTTEAM) continue;
}
else {
if (li->flags & IFL_NOTFREE) continue;
}
if (li->flags & IFL_NOTBOT) continue;
//
if (!Q_stricmp(name, itemconfig->iteminfo[li->iteminfo].name))
{
goal->areanum = li->goalareanum;
VectorCopy(li->goalorigin, goal->origin);
goal->entitynum = li->entitynum;
VectorCopy(itemconfig->iteminfo[li->iteminfo].mins, goal->mins);
VectorCopy(itemconfig->iteminfo[li->iteminfo].maxs, goal->maxs);
goal->number = li->number;
goal->flags = GFL_ITEM;
if (li->timeout) goal->flags |= GFL_DROPPED;
//botimport.Print(PRT_MESSAGE, "found li %s\n", itemconfig->iteminfo[li->iteminfo].name);
return li->number;
} //end if
} //end for
return -1;
} //end of the function BotGetLevelItemGoal
//===========================================================================
//
// Parameter: -
// Returns: -
// Changes Globals: -
//===========================================================================
int BotGetMapLocationGoal(char *name, bot_goal_t *goal)
{
maplocation_t *ml;
vec3_t mins = {-8, -8, -8}, maxs = {8, 8, 8};
for (ml = maplocations; ml; ml = ml->next)
{
if (!Q_stricmp(ml->name, name))
{
goal->areanum = ml->areanum;
VectorCopy(ml->origin, goal->origin);
goal->entitynum = 0;
VectorCopy(mins, goal->mins);
VectorCopy(maxs, goal->maxs);
return qtrue;
} //end if
} //end for
return qfalse;
} //end of the function BotGetMapLocationGoal
//===========================================================================
//
// Parameter: -
// Returns: -
// Changes Globals: -
//===========================================================================
int BotGetNextCampSpotGoal(int num, bot_goal_t *goal)
{
int i;
campspot_t *cs;
vec3_t mins = {-8, -8, -8}, maxs = {8, 8, 8};
if (num < 0) num = 0;
i = num;
for (cs = campspots; cs; cs = cs->next)
{
if (--i < 0)
{
goal->areanum = cs->areanum;
VectorCopy(cs->origin, goal->origin);
goal->entitynum = 0;
VectorCopy(mins, goal->mins);
VectorCopy(maxs, goal->maxs);
return num+1;
} //end if
} //end for
return 0;
} //end of the function BotGetNextCampSpotGoal
//===========================================================================
//
// Parameter: -
// Returns: -
// Changes Globals: -
//===========================================================================
void BotFindEntityForLevelItem(levelitem_t *li)
{
int ent, modelindex;
itemconfig_t *ic;
aas_entityinfo_t entinfo;
vec3_t dir;
ic = itemconfig;
if (!itemconfig) return;
for (ent = AAS_NextEntity(0); ent; ent = AAS_NextEntity(ent))
{
//get the model index of the entity
modelindex = AAS_EntityModelindex(ent);
//
if (!modelindex) continue;
//get info about the entity
AAS_EntityInfo(ent, &entinfo);
//if the entity is still moving
if (entinfo.origin[0] != entinfo.lastvisorigin[0] ||
entinfo.origin[1] != entinfo.lastvisorigin[1] ||
entinfo.origin[2] != entinfo.lastvisorigin[2]) continue;
//
if (ic->iteminfo[li->iteminfo].modelindex == modelindex)
{
//check if the entity is very close
VectorSubtract(li->origin, entinfo.origin, dir);
if (VectorLength(dir) < 30)
{
//found an entity for this level item
li->entitynum = ent;
} //end if
} //end if
} //end for
} //end of the function BotFindEntityForLevelItem
//===========================================================================
//
// Parameter: -
// Returns: -
// Changes Globals: -
//===========================================================================
//NOTE: enum entityType_t in bg_public.h
#define ET_ITEM 2
void BotUpdateEntityItems(void)
{
int ent, i, modelindex;
vec3_t dir;
levelitem_t *li, *nextli;
aas_entityinfo_t entinfo;
itemconfig_t *ic;
//timeout current entity items if necessary
for (li = levelitems; li; li = nextli)
{
nextli = li->next;
//if it is a item that will time out
if (li->timeout)
{
//timeout the item
if (li->timeout < AAS_Time())
{
RemoveLevelItemFromList(li);
FreeLevelItem(li);
} //end if
} //end if
} //end for
//find new entity items
ic = itemconfig;
if (!itemconfig) return;
//
for (ent = AAS_NextEntity(0); ent; ent = AAS_NextEntity(ent))
{
if (AAS_EntityType(ent) != ET_ITEM) continue;
//get the model index of the entity
modelindex = AAS_EntityModelindex(ent);
//
if (!modelindex) continue;
//get info about the entity
AAS_EntityInfo(ent, &entinfo);
//FIXME: don't do this
//skip all floating items for now
//if (entinfo.groundent != ENTITYNUM_WORLD) continue;
//if the entity is still moving
if (entinfo.origin[0] != entinfo.lastvisorigin[0] ||
entinfo.origin[1] != entinfo.lastvisorigin[1] ||
entinfo.origin[2] != entinfo.lastvisorigin[2]) continue;
//check if the entity is already stored as a level item
for (li = levelitems; li; li = li->next)
{
//if the level item is linked to an entity
if (li->entitynum && li->entitynum == ent)
{
//the entity is re-used if the models are different
if (ic->iteminfo[li->iteminfo].modelindex != modelindex)
{
//remove this level item
RemoveLevelItemFromList(li);
FreeLevelItem(li);
li = NULL;
break;
} //end if
else
{
if (entinfo.origin[0] != li->origin[0] ||
entinfo.origin[1] != li->origin[1] ||
entinfo.origin[2] != li->origin[2])
{
VectorCopy(entinfo.origin, li->origin);
//also update the goal area number
li->goalareanum = AAS_BestReachableArea(li->origin,
ic->iteminfo[li->iteminfo].mins, ic->iteminfo[li->iteminfo].maxs,
li->goalorigin);
} //end if
break;
} //end else
} //end if
} //end for
if (li) continue;
//try to link the entity to a level item
for (li = levelitems; li; li = li->next)
{
//if this level item is already linked
if (li->entitynum) continue;
//
if (g_gametype == GT_SINGLE_PLAYER) {
if (li->flags & IFL_NOTSINGLE) continue;
}
else if (g_gametype >= GT_TEAM) {
if (li->flags & IFL_NOTTEAM) continue;
}
else {
if (li->flags & IFL_NOTFREE) continue;
}
//if the model of the level item and the entity are the same
if (ic->iteminfo[li->iteminfo].modelindex == modelindex)
{
//check if the entity is very close
VectorSubtract(li->origin, entinfo.origin, dir);
if (VectorLength(dir) < 30)
{
//found an entity for this level item
li->entitynum = ent;
//if the origin is different
if (entinfo.origin[0] != li->origin[0] ||
entinfo.origin[1] != li->origin[1] ||
entinfo.origin[2] != li->origin[2])
{
//update the level item origin
VectorCopy(entinfo.origin, li->origin);
//also update the goal area number
li->goalareanum = AAS_BestReachableArea(li->origin,
ic->iteminfo[li->iteminfo].mins, ic->iteminfo[li->iteminfo].maxs,
li->goalorigin);
} //end if
#ifdef DEBUG
Log_Write("linked item %s to an entity", ic->iteminfo[li->iteminfo].classname);
#endif //DEBUG
break;
} //end if
} //end else
} //end for
if (li) continue;
//check if the model is from a known item
for (i = 0; i < ic->numiteminfo; i++)
{
if (ic->iteminfo[i].modelindex == modelindex)
{
break;
} //end if
} //end for
//if the model is not from a known item
if (i >= ic->numiteminfo) continue;
//allocate a new level item
li = AllocLevelItem();
//
if (!li) continue;
//entity number of the level item
li->entitynum = ent;
//number for the level item
li->number = numlevelitems + ent;
//set the item info index for the level item
li->iteminfo = i;
//origin of the item
VectorCopy(entinfo.origin, li->origin);
//get the item goal area and goal origin
li->goalareanum = AAS_BestReachableArea(li->origin,
ic->iteminfo[i].mins, ic->iteminfo[i].maxs,
li->goalorigin);
//never go for items dropped into jumppads
if (AAS_AreaJumpPad(li->goalareanum))
{
FreeLevelItem(li);
continue;
} //end if
//time this item out after 30 seconds
//dropped items disappear after 30 seconds
li->timeout = AAS_Time() + 30;
//add the level item to the list
AddLevelItemToList(li);
//botimport.Print(PRT_MESSAGE, "found new level item %s\n", ic->iteminfo[i].classname);
} //end for
/*
for (li = levelitems; li; li = li->next)
{
if (!li->entitynum)
{
BotFindEntityForLevelItem(li);
} //end if
} //end for*/
} //end of the function BotUpdateEntityItems
//===========================================================================
//
// Parameter: -
// Returns: -
// Changes Globals: -
//===========================================================================
void BotDumpGoalStack(int goalstate)
{
int i;
bot_goalstate_t *gs;
char name[32];
gs = BotGoalStateFromHandle(goalstate);
if (!gs) return;
for (i = 1; i <= gs->goalstacktop; i++)
{
BotGoalName(gs->goalstack[i].number, name, 32);
Log_Write("%d: %s", i, name);
} //end for
} //end of the function BotDumpGoalStack
//===========================================================================
//
// Parameter: -
// Returns: -
// Changes Globals: -
//===========================================================================
void BotPushGoal(int goalstate, bot_goal_t *goal)
{
bot_goalstate_t *gs;
gs = BotGoalStateFromHandle(goalstate);
if (!gs) return;
if (gs->goalstacktop >= MAX_GOALSTACK-1)
{
botimport.Print(PRT_ERROR, "goal heap overflow\n");
BotDumpGoalStack(goalstate);
return;
} //end if
gs->goalstacktop++;
Com_Memcpy(&gs->goalstack[gs->goalstacktop], goal, sizeof(bot_goal_t));
} //end of the function BotPushGoal
//===========================================================================
//
// Parameter: -
// Returns: -
// Changes Globals: -
//===========================================================================
void BotPopGoal(int goalstate)
{
bot_goalstate_t *gs;
gs = BotGoalStateFromHandle(goalstate);
if (!gs) return;
if (gs->goalstacktop > 0) gs->goalstacktop--;
} //end of the function BotPopGoal
//===========================================================================
//
// Parameter: -
// Returns: -
// Changes Globals: -
//===========================================================================
void BotEmptyGoalStack(int goalstate)
{
bot_goalstate_t *gs;
gs = BotGoalStateFromHandle(goalstate);
if (!gs) return;
gs->goalstacktop = 0;
} //end of the function BotEmptyGoalStack
//===========================================================================
//
// Parameter: -
// Returns: -
// Changes Globals: -
//===========================================================================
int BotGetTopGoal(int goalstate, bot_goal_t *goal)
{
bot_goalstate_t *gs;
gs = BotGoalStateFromHandle(goalstate);
if (!gs) return qfalse;
if (!gs->goalstacktop) return qfalse;
Com_Memcpy(goal, &gs->goalstack[gs->goalstacktop], sizeof(bot_goal_t));
return qtrue;
} //end of the function BotGetTopGoal
//===========================================================================
//
// Parameter: -
// Returns: -
// Changes Globals: -
//===========================================================================
int BotGetSecondGoal(int goalstate, bot_goal_t *goal)
{
bot_goalstate_t *gs;
gs = BotGoalStateFromHandle(goalstate);
if (!gs) return qfalse;
if (gs->goalstacktop <= 1) return qfalse;
Com_Memcpy(goal, &gs->goalstack[gs->goalstacktop-1], sizeof(bot_goal_t));
return qtrue;
} //end of the function BotGetSecondGoal
//===========================================================================
// pops a new long term goal on the goal stack in the goalstate
//
// Parameter: -
// Returns: -
// Changes Globals: -
//===========================================================================
int BotChooseLTGItem(int goalstate, vec3_t origin, int *inventory, int travelflags)
{
int areanum, t, weightnum;
float weight, bestweight, avoidtime;
iteminfo_t *iteminfo;
itemconfig_t *ic;
levelitem_t *li, *bestitem;
bot_goal_t goal;
bot_goalstate_t *gs;
gs = BotGoalStateFromHandle(goalstate);
if (!gs)
return qfalse;
if (!gs->itemweightconfig)
return qfalse;
//get the area the bot is in
areanum = BotReachabilityArea(origin, gs->client);
//if the bot is in solid or if the area the bot is in has no reachability links
if (!areanum || !AAS_AreaReachability(areanum))
{
//use the last valid area the bot was in
areanum = gs->lastreachabilityarea;
} //end if
//remember the last area with reachabilities the bot was in
gs->lastreachabilityarea = areanum;
//if still in solid
if (!areanum)
return qfalse;
//the item configuration
ic = itemconfig;
if (!itemconfig)
return qfalse;
//best weight and item so far
bestweight = 0;
bestitem = NULL;
Com_Memset(&goal, 0, sizeof(bot_goal_t));
//go through the items in the level
for (li = levelitems; li; li = li->next)
{
if (g_gametype == GT_SINGLE_PLAYER) {
if (li->flags & IFL_NOTSINGLE)
continue;
}
else if (g_gametype >= GT_TEAM) {
if (li->flags & IFL_NOTTEAM)
continue;
}
else {
if (li->flags & IFL_NOTFREE)
continue;
}
if (li->flags & IFL_NOTBOT)
continue;
//if the item is not in a possible goal area
if (!li->goalareanum)
continue;
//FIXME: is this a good thing? added this for items that never spawned into the game (f.i. CTF flags in obelisk)
if (!li->entitynum && !(li->flags & IFL_ROAM))
continue;
//get the fuzzy weight function for this item
iteminfo = &ic->iteminfo[li->iteminfo];
weightnum = gs->itemweightindex[iteminfo->number];
if (weightnum < 0)
continue;
#ifdef UNDECIDEDFUZZY
weight = FuzzyWeightUndecided(inventory, gs->itemweightconfig, weightnum);
#else
weight = FuzzyWeight(inventory, gs->itemweightconfig, weightnum);
#endif //UNDECIDEDFUZZY
#ifdef DROPPEDWEIGHT
//HACK: to make dropped items more attractive
if (li->timeout)
weight += droppedweight->value;
#endif //DROPPEDWEIGHT
//use weight scale for item_botroam
if (li->flags & IFL_ROAM) weight *= li->weight;
//
if (weight > 0)
{
//get the travel time towards the goal area
t = AAS_AreaTravelTimeToGoalArea(areanum, origin, li->goalareanum, travelflags);
//if the goal is reachable
if (t > 0)
{
//if this item won't respawn before we get there
avoidtime = BotAvoidGoalTime(goalstate, li->number);
if (avoidtime - t * 0.009 > 0)
continue;
//
weight /= (float) t * TRAVELTIME_SCALE;
//
if (weight > bestweight)
{
bestweight = weight;
bestitem = li;
} //end if
} //end if
} //end if
} //end for
//if no goal item found
if (!bestitem)
{
/*
//if not in lava or slime
if (!AAS_AreaLava(areanum) && !AAS_AreaSlime(areanum))
{
if (AAS_RandomGoalArea(areanum, travelflags, &goal.areanum, goal.origin))
{
VectorSet(goal.mins, -15, -15, -15);
VectorSet(goal.maxs, 15, 15, 15);
goal.entitynum = 0;
goal.number = 0;
goal.flags = GFL_ROAM;
goal.iteminfo = 0;
//push the goal on the stack
BotPushGoal(goalstate, &goal);
//
#ifdef DEBUG
botimport.Print(PRT_MESSAGE, "chosen roam goal area %d\n", goal.areanum);
#endif //DEBUG
return qtrue;
} //end if
} //end if
*/
return qfalse;
} //end if
//create a bot goal for this item
iteminfo = &ic->iteminfo[bestitem->iteminfo];
VectorCopy(bestitem->goalorigin, goal.origin);
VectorCopy(iteminfo->mins, goal.mins);
VectorCopy(iteminfo->maxs, goal.maxs);
goal.areanum = bestitem->goalareanum;
goal.entitynum = bestitem->entitynum;
goal.number = bestitem->number;
goal.flags = GFL_ITEM;
if (bestitem->timeout)
goal.flags |= GFL_DROPPED;
if (bestitem->flags & IFL_ROAM)
goal.flags |= GFL_ROAM;
goal.iteminfo = bestitem->iteminfo;
//if it's a dropped item
if (bestitem->timeout)
{
avoidtime = AVOID_DROPPED_TIME;
} //end if
else
{
avoidtime = iteminfo->respawntime;
if (!avoidtime)
avoidtime = AVOID_DEFAULT_TIME;
if (avoidtime < AVOID_MINIMUM_TIME)
avoidtime = AVOID_MINIMUM_TIME;
} //end else
//add the chosen goal to the goals to avoid for a while
BotAddToAvoidGoals(gs, bestitem->number, avoidtime);
//push the goal on the stack
BotPushGoal(goalstate, &goal);
//
return qtrue;
} //end of the function BotChooseLTGItem
//===========================================================================
//
// Parameter: -
// Returns: -
// Changes Globals: -
//===========================================================================
int BotChooseNBGItem(int goalstate, vec3_t origin, int *inventory, int travelflags,
bot_goal_t *ltg, float maxtime)
{
int areanum, t, weightnum, ltg_time;
float weight, bestweight, avoidtime;
iteminfo_t *iteminfo;
itemconfig_t *ic;
levelitem_t *li, *bestitem;
bot_goal_t goal;
bot_goalstate_t *gs;
gs = BotGoalStateFromHandle(goalstate);
if (!gs)
return qfalse;
if (!gs->itemweightconfig)
return qfalse;
//get the area the bot is in
areanum = BotReachabilityArea(origin, gs->client);
//if the bot is in solid or if the area the bot is in has no reachability links
if (!areanum || !AAS_AreaReachability(areanum))
{
//use the last valid area the bot was in
areanum = gs->lastreachabilityarea;
} //end if
//remember the last area with reachabilities the bot was in
gs->lastreachabilityarea = areanum;
//if still in solid
if (!areanum)
return qfalse;
//
if (ltg) ltg_time = AAS_AreaTravelTimeToGoalArea(areanum, origin, ltg->areanum, travelflags);
else ltg_time = 99999;
//the item configuration
ic = itemconfig;
if (!itemconfig)
return qfalse;
//best weight and item so far
bestweight = 0;
bestitem = NULL;
Com_Memset(&goal, 0, sizeof(bot_goal_t));
//go through the items in the level
for (li = levelitems; li; li = li->next)
{
if (g_gametype == GT_SINGLE_PLAYER) {
if (li->flags & IFL_NOTSINGLE)
continue;
}
else if (g_gametype >= GT_TEAM) {
if (li->flags & IFL_NOTTEAM)
continue;
}
else {
if (li->flags & IFL_NOTFREE)
continue;
}
if (li->flags & IFL_NOTBOT)
continue;
//if the item is in a possible goal area
if (!li->goalareanum)
continue;
//FIXME: is this a good thing? added this for items that never spawned into the game (f.i. CTF flags in obelisk)
if (!li->entitynum && !(li->flags & IFL_ROAM))
continue;
//get the fuzzy weight function for this item
iteminfo = &ic->iteminfo[li->iteminfo];
weightnum = gs->itemweightindex[iteminfo->number];
if (weightnum < 0)
continue;
//
#ifdef UNDECIDEDFUZZY
weight = FuzzyWeightUndecided(inventory, gs->itemweightconfig, weightnum);
#else
weight = FuzzyWeight(inventory, gs->itemweightconfig, weightnum);
#endif //UNDECIDEDFUZZY
#ifdef DROPPEDWEIGHT
//HACK: to make dropped items more attractive
if (li->timeout)
weight += droppedweight->value;
#endif //DROPPEDWEIGHT
//use weight scale for item_botroam
if (li->flags & IFL_ROAM) weight *= li->weight;
//
if (weight > 0)
{
//get the travel time towards the goal area
t = AAS_AreaTravelTimeToGoalArea(areanum, origin, li->goalareanum, travelflags);
//if the goal is reachable
if (t > 0 && t < maxtime)
{
//if this item won't respawn before we get there
avoidtime = BotAvoidGoalTime(goalstate, li->number);
if (avoidtime - t * 0.009 > 0)
continue;
//
weight /= (float) t * TRAVELTIME_SCALE;
//
if (weight > bestweight)
{
t = 0;
if (ltg && !li->timeout)
{
//get the travel time from the goal to the long term goal
t = AAS_AreaTravelTimeToGoalArea(li->goalareanum, li->goalorigin, ltg->areanum, travelflags);
} //end if
//if the travel back is possible and doesn't take too long
if (t <= ltg_time)
{
bestweight = weight;
bestitem = li;
} //end if
} //end if
} //end if
} //end if
} //end for
//if no goal item found
if (!bestitem)
return qfalse;
//create a bot goal for this item
iteminfo = &ic->iteminfo[bestitem->iteminfo];
VectorCopy(bestitem->goalorigin, goal.origin);
VectorCopy(iteminfo->mins, goal.mins);
VectorCopy(iteminfo->maxs, goal.maxs);
goal.areanum = bestitem->goalareanum;
goal.entitynum = bestitem->entitynum;
goal.number = bestitem->number;
goal.flags = GFL_ITEM;
if (bestitem->timeout)
goal.flags |= GFL_DROPPED;
if (bestitem->flags & IFL_ROAM)
goal.flags |= GFL_ROAM;
goal.iteminfo = bestitem->iteminfo;
//if it's a dropped item
if (bestitem->timeout)
{
avoidtime = AVOID_DROPPED_TIME;
} //end if
else
{
avoidtime = iteminfo->respawntime;
if (!avoidtime)
avoidtime = AVOID_DEFAULT_TIME;
if (avoidtime < AVOID_MINIMUM_TIME)
avoidtime = AVOID_MINIMUM_TIME;
} //end else
//add the chosen goal to the goals to avoid for a while
BotAddToAvoidGoals(gs, bestitem->number, avoidtime);
//push the goal on the stack
BotPushGoal(goalstate, &goal);
//
return qtrue;
} //end of the function BotChooseNBGItem
//===========================================================================
//
// Parameter: -
// Returns: -
// Changes Globals: -
//===========================================================================
int BotTouchingGoal(vec3_t origin, bot_goal_t *goal)
{
int i;
vec3_t boxmins, boxmaxs;
vec3_t absmins, absmaxs;
vec3_t safety_maxs = {0, 0, 0}; //{4, 4, 10};
vec3_t safety_mins = {0, 0, 0}; //{-4, -4, 0};
AAS_PresenceTypeBoundingBox(PRESENCE_NORMAL, boxmins, boxmaxs);
VectorSubtract(goal->mins, boxmaxs, absmins);
VectorSubtract(goal->maxs, boxmins, absmaxs);
VectorAdd(absmins, goal->origin, absmins);
VectorAdd(absmaxs, goal->origin, absmaxs);
//make the box a little smaller for safety
VectorSubtract(absmaxs, safety_maxs, absmaxs);
VectorSubtract(absmins, safety_mins, absmins);
for (i = 0; i < 3; i++)
{
if (origin[i] < absmins[i] || origin[i] > absmaxs[i]) return qfalse;
} //end for
return qtrue;
} //end of the function BotTouchingGoal
//===========================================================================
//
// Parameter: -
// Returns: -
// Changes Globals: -
//===========================================================================
int BotItemGoalInVisButNotVisible(int viewer, vec3_t eye, vec3_t viewangles, bot_goal_t *goal)
{
aas_entityinfo_t entinfo;
bsp_trace_t trace;
vec3_t middle;
if (!(goal->flags & GFL_ITEM)) return qfalse;
//
VectorAdd(goal->mins, goal->mins, middle);
VectorScale(middle, 0.5, middle);
VectorAdd(goal->origin, middle, middle);
//
trace = AAS_Trace(eye, NULL, NULL, middle, viewer, CONTENTS_SOLID);
//if the goal middle point is visible
if (trace.fraction >= 1)
{
//the goal entity number doesn't have to be valid
//just assume it's valid
if (goal->entitynum <= 0)
return qfalse;
//
//if the entity data isn't valid
AAS_EntityInfo(goal->entitynum, &entinfo);
//NOTE: for some wacko reason entities are sometimes
// not updated
//if (!entinfo.valid) return qtrue;
if (entinfo.ltime < AAS_Time() - 0.5)
return qtrue;
} //end if
return qfalse;
} //end of the function BotItemGoalInVisButNotVisible
//===========================================================================
//
// Parameter: -
// Returns: -
// Changes Globals: -
//===========================================================================
void BotResetGoalState(int goalstate)
{
bot_goalstate_t *gs;
gs = BotGoalStateFromHandle(goalstate);
if (!gs) return;
Com_Memset(gs->goalstack, 0, MAX_GOALSTACK * sizeof(bot_goal_t));
gs->goalstacktop = 0;
BotResetAvoidGoals(goalstate);
} //end of the function BotResetGoalState
//===========================================================================
//
// Parameter: -
// Returns: -
// Changes Globals: -
//===========================================================================
int BotLoadItemWeights(int goalstate, char *filename)
{
bot_goalstate_t *gs;
gs = BotGoalStateFromHandle(goalstate);
if (!gs) return BLERR_CANNOTLOADITEMWEIGHTS;
//load the weight configuration
gs->itemweightconfig = ReadWeightConfig(filename);
if (!gs->itemweightconfig)
{
botimport.Print(PRT_FATAL, "couldn't load weights\n");
return BLERR_CANNOTLOADITEMWEIGHTS;
} //end if
//if there's no item configuration
if (!itemconfig) return BLERR_CANNOTLOADITEMWEIGHTS;
//create the item weight index
gs->itemweightindex = ItemWeightIndex(gs->itemweightconfig, itemconfig);
//everything went ok
return BLERR_NOERROR;
} //end of the function BotLoadItemWeights
//===========================================================================
//
// Parameter: -
// Returns: -
// Changes Globals: -
//===========================================================================
void BotFreeItemWeights(int goalstate)
{
bot_goalstate_t *gs;
gs = BotGoalStateFromHandle(goalstate);
if (!gs) return;
if (gs->itemweightconfig) FreeWeightConfig(gs->itemweightconfig);
if (gs->itemweightindex) FreeMemory(gs->itemweightindex);
} //end of the function BotFreeItemWeights
//===========================================================================
//
// Parameter: -
// Returns: -
// Changes Globals: -
//===========================================================================
int BotAllocGoalState(int client)
{
int i;
for (i = 1; i <= MAX_CLIENTS; i++)
{
if (!botgoalstates[i])
{
botgoalstates[i] = GetClearedMemory(sizeof(bot_goalstate_t));
botgoalstates[i]->client = client;
return i;
} //end if
} //end for
return 0;
} //end of the function BotAllocGoalState
//========================================================================
//
// Parameter: -
// Returns: -
// Changes Globals: -
//========================================================================
void BotFreeGoalState(int handle)
{
if (handle <= 0 || handle > MAX_CLIENTS)
{
botimport.Print(PRT_FATAL, "goal state handle %d out of range\n", handle);
return;
} //end if
if (!botgoalstates[handle])
{
botimport.Print(PRT_FATAL, "invalid goal state handle %d\n", handle);
return;
} //end if
BotFreeItemWeights(handle);
FreeMemory(botgoalstates[handle]);
botgoalstates[handle] = NULL;
} //end of the function BotFreeGoalState
//===========================================================================
//
// Parameter: -
// Returns: -
// Changes Globals: -
//===========================================================================
int BotSetupGoalAI(void)
{
char *filename;
//check if teamplay is on
g_gametype = LibVarValue("g_gametype", "0");
//item configuration file
filename = LibVarString("itemconfig", "items.c");
//load the item configuration
itemconfig = LoadItemConfig(filename);
if (!itemconfig)
{
botimport.Print(PRT_FATAL, "couldn't load item config\n");
return BLERR_CANNOTLOADITEMCONFIG;
} //end if
//
droppedweight = LibVar("droppedweight", "1000");
//everything went ok
return BLERR_NOERROR;
} //end of the function BotSetupGoalAI
//===========================================================================
//
// Parameter: -
// Returns: -
// Changes Globals: -
//===========================================================================
void BotShutdownGoalAI(void)
{
int i;
if (itemconfig) FreeMemory(itemconfig);
itemconfig = NULL;
if (levelitemheap) FreeMemory(levelitemheap);
levelitemheap = NULL;
freelevelitems = NULL;
levelitems = NULL;
numlevelitems = 0;
BotFreeInfoEntities();
for (i = 1; i <= MAX_CLIENTS; i++)
{
if (botgoalstates[i])
{
BotFreeGoalState(i);
} //end if
} //end for
} //end of the function BotShutdownGoalAI
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